Sökning: "hjälm"
Visar resultat 1 - 5 av 48 uppsatser innehållade ordet hjälm.
1. Analys av huvudkinematik under olyckor i alpina slalomdisciplinen : -med stöd från videoanalysverktyg
Uppsats för yrkesexamina på grundnivå, Mittuniversitetet/Institutionen för ingenjörsvetenskap, matematik och ämnesdidaktik (2023-)Sammanfattning : Huvudskador inom alpin skidsport är bland de allvarligaste skador som kroppen utsätts för. Tidigare studier på huvudskador som genomförts på grenar såsom Störtlopp, Super-G, Storslalom, Skicross, Freestyle och Snowboard visar att standarder som finns på skyddsutrustning inte är tillräckliga. LÄS MER
2. The Secret Trade : Booksellers, advertisement and sexually transmitted diseases in eighteenth-century London
Master-uppsats, Stockholms universitet/Historiska institutionenSammanfattning : This thesis examines the relationship between booksellers, medicine for sexually transmitted diseases, and advertising in eighteenth-century London. The analysis is based on trade cards, prints and advertisement in newspapers and periodicals. LÄS MER
3. Evaluation of Coefficient of Friction in Oblique Helmet Impacts: An Experimental and Numerical Study
Master-uppsats, KTH/HållfasthetsläraSammanfattning : The focus of this thesis was to increase the knowledge in the area of "dynamic friction" during oblique helmet impacts, both experimentally and numerically. Physical experiments have been performed with multiple helmets, different angles of the anvil and different surface materials, with results of impact forces from the anvil and accelerations of the head. LÄS MER
4. A new ETF Landscape and its Relationship to the Volatility of its Underlying Assets - An empirical study of the S&P 500
C-uppsats, Handelshögskolan i Stockholm/Institutionen för finansiell ekonomiSammanfattning : The global market for exchange traded funds (ETFs) has during the last decade sustained substantial growth. A global increase of AUM from ~400 billion USD in 2005 to above 7.7 trillion USD in 2020 has brought with it a changed landscape. LÄS MER
5. Fatigue testing machine : To simulate daily use on multi-directional impact protection systems in helmets
M1-uppsats, KTH/Hållbar produktionsutveckling (ML)Sammanfattning : During the development process of a product, tests are typically conducted to ensure the quality of the features of the product before it is made available to the public. The scope of this project was to find a realistic and reliable way to test components in a Multi-Directional Impact Protection System (MIPS) in fully mounted helmets. LÄS MER